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Ships within 48 hours · Estimated delivery Sep 6 - Sep 11
How it Works:
Potent and powerful high phosphorus guano consciously extracted to not disturb the bat colonies
A robust internal structure means a healthy immune system
and is ETL wet location rated to withstand the harshest of growing environments
From brand to brand they have nothing unique or different to offer
HM Digital AquaPro TDS/Temperature Meter air-purification How it Works:FEATURES Measures total dissolved solids (TDS) and temperature Automatic Temperature Compensation (ATC) Water resistant housing Measurement Range: 0 5000 ppm Digital Calibration (push button) Auto off function, data hold function and low battery indicator Display: large and easy to read LCD screen includes simultaneous temperature reading The AquaPro is calibrated with a 342 ppm NaCl solutioncan be recalibrated with digital calibration using the push
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